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A favourable prognostic marker for EGFR mutant non-small cell lung cancer: immunohistochemical analysis of MUC5B

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Title: A favourable prognostic marker for EGFR mutant non-small cell lung cancer: immunohistochemical analysis of MUC5B
Authors: Wakata, Kouki / Tsuchiya, Tomoshi / Tomoshige, Koichi / Takagi, Katsunori / Yamasaki, Naoya / Matsumoto, Keitaro / Miyazaki, Takuro / Nanashima, Atsushi / Whitsett, Jeffrey A / Maeda, Yutaka / Nagayasu, Takeshi
Issue Date: 29-Jul-2015
Publisher: BMJ Publishing Group
Citation: BMJ Open, 5(7), e008366; 2015
Abstract: Objectives: To determine the use of the mucin proteins MUC5B and MUC5AC as prognosis markers for non-small cell lung cancer (NSCLC) carrying epidermal growth factor receptor (EGFR) mutations. Setting: Patients who underwent surgical resection at Nagasaki University Hospital and related facilities in Japan between June 1996 and March 2013. Participant: 159 Japanese patients (male: n=103; female: n=56) with NSCLC, who underwent surgical resection (EGFR-mutant type: n=78, EGFR wild type: n=81). Results: Patients whose tumours expressed MUC5B had significantly longer overall survival and relapse-free survival compared to the MUC5B-negative patients with EGFR mutant NSCLC (p=0.0098 and p=0.0187, respectively). In patients with EGFR wild-type NSCLC, there was no association with MUC5B expression. MUC5AC expression was not different between EGFR mutant and wild-type NSCLC. Conclusions: Present findings indicate that MUC5B, but not MUC5AC, is a novel prognostic biomarker for patients with NSCLC carrying EGFR mutations but not for patients with NSCLC carrying wild-type EGFR.
URI: http://hdl.handle.net/10069/35884
ISSN: 20446055
DOI: 10.1136/bmjopen-2015-008366
Rights: © 2015 by the BMJ Publishing Group Ltd. / This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Type: Journal Article
Text Version: publisher
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/35884

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